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libpng/contrib/gregbook/makefile

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2000-04-14 19:20:47 +00:00
# Sample makefile for rpng-x / rpng2-x / wpng using gcc and make.
# Greg Roelofs
# Last modified: 28 February 2000
#
# The programs built by this makefile are described in the book,
# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
# Associates, 1999). Go buy a copy, eh? Buy some for friends
# and family, too. (Not that this is a blatant plug or anything.)
#
# Invoke this makefile from a shell prompt in the usual way; for example:
#
# make -f Makefile.unx
#
# This makefile assumes libpng and zlib have already been built or downloaded
# and are both installed in /usr/local/{include,lib} (as indicated by the
# PNG* and Z* macros below). Edit as appropriate--choose only ONE each of
# the PNGINC, PNGLIB, ZINC and ZLIB lines.
#
# This makefile builds statically linked executables (against libpng and zlib,
# that is), but that can be changed by uncommenting the appropriate PNGLIB and
# ZLIB lines.
# macros --------------------------------------------------------------------
PNGINC = -I/usr/local/include
#PNGLIB = -L/usr/local/lib -lpng # dynamically linked against libpng
PNGLIB = /usr/local/lib/libpng.a # statically linked against libpng
# or:
#PNGINC = -I../..
#PNGLIB = -L../.. -lpng
#PNGLIB = ../../libpng.a
ZINC = -I/usr/local/include
#ZLIB = -L/usr/local/lib -lz # dynamically linked against zlib
ZLIB = /usr/local/lib/libz.a # statically linked against zlib
#ZINC = -I../zlib
#ZLIB = -L../zlib -lz
#ZLIB = ../../../zlib/libz.a
XINC = -I/usr/include/X11 # old-style, stock X distributions
XLIB = -L/usr/lib/X11 -lX11
#XINC = -I/usr/openwin/include/X11 # Sun workstations (OpenWindows)
#XLIB = -L/usr/openwin/lib -lX11
#XINC = -I/usr/X11R6/include # new X distributions (XFree86, etc.)
#XLIB = -L/usr/X11R6/lib -lX11
INCS = $(PNGINC) $(ZINC) $(XINC)
RLIBS = $(PNGLIB) $(ZLIB) $(XLIB) -lm
WLIBS = $(PNGLIB) $(ZLIB)
CC = cc -n32
LD = cc -n32
RM = rm -f
CFLAGS = -O -fullwarn $(INCS)
# [note that -Wall is a gcc-specific compilation flag ("most warnings on")]
# [-ansi, -pedantic and -W can also be used]
LDFLAGS =
O = .o
E =
RPNG = rpng-x
RPNG2 = rpng2-x
WPNG = wpng
ROBJS = $(RPNG)$(O) readpng$(O)
ROBJS2 = $(RPNG2)$(O) readpng2$(O)
WOBJS = $(WPNG)$(O) writepng$(O)
EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
# implicit make rules -------------------------------------------------------
.c$(O):
$(CC) -c $(CFLAGS) $<
# dependencies --------------------------------------------------------------
all: $(EXES)
$(RPNG)$(E): $(ROBJS)
$(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBS)
$(RPNG2)$(E): $(ROBJS2)
$(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBS)
$(WPNG)$(E): $(WOBJS)
$(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBS)
$(RPNG)$(O): $(RPNG).c readpng.h
$(RPNG2)$(O): $(RPNG2).c readpng2.h
$(WPNG)$(O): $(WPNG).c writepng.h
readpng$(O): readpng.c readpng.h
readpng2$(O): readpng2.c readpng2.h
writepng$(O): writepng.c writepng.h
# maintenance ---------------------------------------------------------------
clean:
$(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)